osx: fix compiler warnings

3 files changed, 4 insertions, 4 deletions

diff --git a/psutil/_psutil_osx.c b/psutil/_psutil_osx.c
index cf9eda6d..06b4ba25 100644
--- a/psutil/_psutil_osx.c
+++ b/psutil/_psutil_osx.c
@@ -1147,7 +1147,7 @@ error:
 static PyObject *
 psutil_proc_open_files(PyObject *self, PyObject *args) {
     long pid;
-    unsigned long pidinfo_result;
+    int pidinfo_result;
     int iterations;
     int i;
     unsigned long nb;
diff --git a/psutil/arch/osx/process_info.c b/psutil/arch/osx/process_info.c
index 9e6dc1ce..7b650c99 100644
--- a/psutil/arch/osx/process_info.c
+++ b/psutil/arch/osx/process_info.c
@@ -356,10 +356,10 @@ psutil_get_kinfo_proc(long pid, struct kinfo_proc *kp) {
  * A wrapper around proc_pidinfo().
  * Returns 0 on failure (and Python exception gets already set).
  */
-unsigned long
+int
 psutil_proc_pidinfo(long pid, int flavor, uint64_t arg, void *pti, int size) {
     errno = 0;
-    unsigned long ret = proc_pidinfo((int)pid, flavor, arg, pti, size);
+    int ret = proc_pidinfo((int)pid, flavor, arg, pti, size);
     if ((ret <= 0) || (ret < sizeof(pti))) {
         psutil_raise_for_pid(pid, "proc_pidinfo() syscall failed");
         return 0;
diff --git a/psutil/arch/osx/process_info.h b/psutil/arch/osx/process_info.h
index 83fa1231..bd2eef86 100644
--- a/psutil/arch/osx/process_info.h
+++ b/psutil/arch/osx/process_info.h
@@ -11,7 +11,7 @@ typedef struct kinfo_proc kinfo_proc;
 int psutil_get_argmax(void);
 int psutil_get_kinfo_proc(long pid, struct kinfo_proc *kp);
 int psutil_get_proc_list(kinfo_proc **procList, size_t *procCount);
-unsigned long psutil_proc_pidinfo(
+int psutil_proc_pidinfo(
     long pid, int flavor, uint64_t arg, void *pti, int size);
 PyObject* psutil_get_cmdline(long pid);
 PyObject* psutil_get_environ(long pid);